• Jakob D Jensen, Nick Carcioppolo, Andy J King, Courtney L Scherr, Christina L Jones, and Jeff Niederdieppe.
• University of Utah, USA. Electronic address: jakobdjensen@gmail.com.
• Patient Educ Couns. 2014 Jan 1; 94 (1): 90-6.

ObjectiveSurvey data suggests that approximately three-fourths of adults are overwhelmed by cancer information - a construct we label cancer information overload (CIO). A significant limitation of existing research is that it relies on a single-item measure. The objective of the current study is to develop and validate a multi-item measure of CIO.MethodsStudy 1 (N=209) surveyed healthcare and manufacturing employees at eight worksites. Colonoscopy insurance claims data were culled eighteen months later to evaluate the predictive validity of CIO. Study 2 (N=399) surveyed adults at seven shopping malls. CIO and cancer fatalism were measured to examine the properties of the two constructs.ResultsStudy 1 identified a reliable 8-item CIO scale that significantly predicted colonoscopy insurance claims 18 months after the initial survey. Study 2 confirmed the factor structure identified in Study 1, and demonstrated that CIO, cancer fatalism about prevention, and cancer fatalism about treatment are best modeled as three distinct constructs.ConclusionThe perception that there are too many recommendations about cancer prevention to know which ones to follow is an indicator of CIO, a widespread disposition that predicts colon cancer screening and is related to, but distinct from, cancer fatalism.Practice ImplicationsMany adults exhibit high CIO, a disposition that undermines health efforts. Communication strategies that mitigate CIO are a priority. In the short-term, health care providers and public health professionals should monitor the amount of information provided to patients and the public.Copyright © 2013 Elsevier Ireland Ltd. All rights reserved.

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